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Subject[PATCH] ARM: remove redundant irq disable at halt and restart
Date
Remove redundant local_irq_disable() at machine halt and restart.

Since commit 44424c34049f ("ARM: 7803/1: Fix deadlock scenario with
smp_send_stop()") interrupts are disabled before stopping secondary
CPUs.

Signed-off-by: Johan Hovold <johan@kernel.org>
---
arch/arm/kernel/process.c | 2 --
1 file changed, 2 deletions(-)

diff --git a/arch/arm/kernel/process.c b/arch/arm/kernel/process.c
index a35f6ebbd2c2..5663ab57cf07 100644
--- a/arch/arm/kernel/process.c
+++ b/arch/arm/kernel/process.c
@@ -195,7 +195,6 @@ void machine_halt(void)
local_irq_disable();
smp_send_stop();

- local_irq_disable();
while (1);
}

@@ -237,7 +236,6 @@ void machine_restart(char *cmd)

/* Whoops - the platform was unable to reboot. Tell the user! */
printk("Reboot failed -- System halted\n");
- local_irq_disable();
while (1);
}

--
2.0.4


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